CN203976403U - Sledge piece formula membrane separation nitrogen making machine - Google Patents
Sledge piece formula membrane separation nitrogen making machine Download PDFInfo
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- CN203976403U CN203976403U CN201420340641.7U CN201420340641U CN203976403U CN 203976403 U CN203976403 U CN 203976403U CN 201420340641 U CN201420340641 U CN 201420340641U CN 203976403 U CN203976403 U CN 203976403U
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Abstract
The utility model relates to a kind of sledge piece formula membrane separation nitrogen making machine, by air Compressor unit, compressed air purifying filtration unit, membrane separation unit, control instruments valve system four parts, formed, initial filtrator in compressed air purifying filtration unit, fine filter, heatless regeneration drying machine, superfinishing strainer, the housing in the membrane module in membrane separation unit and control instruments valve system is all fixed on sledge piece; Air is sucked into air by air compressor machine and fills with, and air is filled with pressurized air is inputed to compressed air inlet, and through initial filtrator, fine filter, heatless regeneration drying machine, superfinishing strainer, enters membrane module successively by airline; The place, high pressure inner side of membrane module is provided with passing nitrogen outlet, and low pressure outside is provided with film waste air gas port and water port.The effect that the utility model is useful: the utlity model has the feature that security is good, conforming property is strong, rust-preventing characteristic is good, and design by sledge piece formula, make whole Nitrogen plant device there is good travelling performance.
Description
Technical field
The utility model relates to the equipment of making nitrogen, is mainly a kind of sledge piece formula membrane separation nitrogen making machine.
Background technology
At present, various Nitrogen plants are a lot, and Nitrogen plant refers to take air as raw material, utilizes the method for physics, and oxygen wherein is separated with nitrogen and obtain the equipment of nitrogen.According to the difference of sorting technique, i.e. the empty point-score of cryogenic air separation method, molecular sieve and the empty point-score of film, but existing Nitrogen plant is split type or fixed a bit, causes adapting to some occasion and uses.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and provides a kind of conforming property strong, safe sledge piece formula membrane separation nitrogen making machine.
The purpose of this utility model completes by following technical solution, this sledge piece formula membrane separation nitrogen making machine, by air Compressor unit, compressed air purifying filtration unit, membrane separation unit, control instruments valve system four parts, formed, initial filtrator in described compressed air purifying filtration unit, fine filter, heatless regeneration drying machine, superfinishing strainer, the housing in the membrane module in membrane separation unit and control instruments valve system is all fixed on sledge piece; Air is sucked into air by air compressor machine and fills with, and air is filled with pressurized air is inputed to compressed air inlet, and through initial filtrator, fine filter, heatless regeneration drying machine, superfinishing strainer, enters membrane module successively by airline; The sledge base of described sledge piece adopts shaped steel welding production, and sledge base is furnished with ground terminal, on whole sledge piece, is furnished with suspension centre; In described membrane module, be provided with hollow-fibre membrane, membrane module is divided into high pressure inner side and low pressure outside, and the place, high pressure inner side of described membrane module is provided with passing nitrogen outlet, and the low pressure outside of described membrane module is provided with film waste air gas port and water port.
As preferably, in the airline of described membrane module air inlet, be provided with electric heater, in this electric heater, be provided with temperature sensor, the temperature in membrane module is 30～45 ℃.
As preferably, between described compressed air inlet, initial filtrator, fine filter, heatless regeneration drying machine, superfinishing strainer, membrane module, connect the airline used carbon steel piping for adopting sandblast polishing and outer wall to spray paint.
The beneficial effects of the utility model are: the feature that security is good, conforming property is strong, rust-preventing characteristic is good, and design by sledge piece formula, make whole Nitrogen plant device there is good travelling performance.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is plan structure schematic diagram of the present utility model.
Fig. 3 is side-looking structural representation of the present utility model.
Fig. 4 is production process of the present utility model and process flow diagram.
Label in accompanying drawing is respectively: 1, air compressor machine; 2, air is filled with; 3, initial filtrator; 4, fine filter; 5, heatless regeneration drying machine; 6, superfinishing strainer; 7, membrane module; 8, housing; 9, sledge base; 10, compressed air inlet; 11, airline; 12, electric heater; 13, suspension centre; 71, film waste air gas port; 72, water port; 73, passing nitrogen outlet.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done to detailed introduction: as shown in accompanying drawing 1 to 4, the utility model is comprised of air Compressor unit, compressed air purifying filtration unit, membrane separation unit and control instruments valve system four parts,
Air Compressor unit comprises air compressor machine 1 and air filling 2, and air compressor machine 1 provides pressurized air, air compressor air intake pressure 1.0-1.3MPa (gauge pressure), pressurized air air feed, air inlet oil-contg≤3mg/m
3, temperature 40-45 ℃, dust-laden filter footpath≤5um, air compressor machine 1 be the air lift continual and steady air of confession and pressure for nitrogen gas generating system and other.Air out enters air and fills with 2 buffering voltage stabilizings.
Compressed air purifying drying installation comprises initial filtrator 3, fine filter 4, heatless regeneration drying machine 5, superfinishing strainer 6: from pressurized air out of air vessel 2, through air-purification uniies such as initial filtrator 3, fine filter 4, heatless regeneration drying machine 5, superfinishing strainers 6, remove oil, water, the dirt pressurized air, make pressurized air dew point≤-40 ℃, oil-contg≤0.01mg/m
3, dust-laden filter footpath≤0.01um, the air after purge drying enters the laggard membrane module 7 of electric heater 12 temperature control.
Film separation and nitrogen-making device comprises membrane module 7: through the clean compressed air of purge drying, enter the film separating system of membrane module 7, by hollow-fibre membrane, the fibre wall by high pressure inner side oozes out to low pressure outside clean pressurized air, " fast gas " (being mainly oxygen, carbonic acid gas, water vapour) that infiltration rate is large discharged by the opening of membrane module one side, and oxygen, carbonic acid gas are discharged by the film waste air gas port 71 of membrane module 7 one sides; Water vapour is discharged by the water port 72 of membrane module 7 one sides; " slow gas " (being mainly nitrogen) that infiltration rate is little is enriched in high pressure inner side, discharged, thereby realized the separation of oxygen-nitrogen by the passing nitrogen outlet 73 of membrane module 7.Send into continuously raw air, the nitrogen of output is exported after Examination system of instrument.
Technical characterstic of the present utility model is:
1, safe:
Equipment configuration check valve itself, tensimeter, temperature sensor, differential pressure transmitter, under meter, nitrogen purity check instrument, all on-line analysis detects, fault alarm.
Fine filter 4 band differential pressure transmitters, filter element is changed in prompting, in order to avoid cause film group to damage because oil-containing or impurity exceed standard;
Equipment outlet arranges and prevents nitrogen refluence measure, prevents that gas product runs off and flows backwards, and prevents equipment overvoltage when standby or when back pressure is excessive.
The defective nitrogen automatic-discharging of equipment configuration function, prevents that defective nitrogen from entering production line, during emptying by discharging after sourdine noise reduction.
Safety valve on electric heater 12 is all considered to have standby.
All fine filters 4, heatless regeneration drying machine 5, superfinishing strainer 6, membrane module 7 (every group of film output is considered membrane module by 25% surplus capacity) are all considered to have standby; prevent hang-up impact and produce, also have the sufficient time to carry out part replacement maintenance.
Electric heater 12 design temperature bounds, the temperature bound mainly recording by temperature sensor is controlled electric heater 12 start and stop, safety and stability, and with defencive function, prevent Heating over load.Protective membrane assembly 7 is not damaged.
Prying body arranges 316L ground terminal.
2, conforming property is strong:
Equipment, airline 11 and sled base 9 surface paint adopt the anticorrosion specialized paints in ocean, have acid and alkali-resistance, the advantage such as corrosion-resistant.More than controlling box degree of protection reaches IP56, as needs at special occasions such as anti-explosion areas, all considered explosion-proof, if production environment in below 0 ℃, all drainings and blow-off line all consider to configure electric-heating belt, prevent the stifled impeded drainage that causes of liquid water-ice.
3, electric heater 12:
Because the optimum operating temperature of membrane module 7 separation systems is at 30～45 ℃.Membrane module 7 need to can be brought into play best product nitrogen amount and the rate of recovery in certain temperature range, therefore, is provided with the temperature automatically controlled electric heater 12 of energy in admission passage.Temperature is controlled and is detected by Pt-100 hot resistance, and the air themperature before entering membrane module 7 is lower than 30 ℃, and opening electric heater 12, when temperature reaches 50 ℃, stops electric heater 12 work.Temperature is controlled within the scope of 30-50 ℃ all the time, selects high-quality stainless steel electric heating tube material.
4, Controlling System:
Device adopts the PLC of Siemens Company sequence control system, has antidetonation, shock resistance, the function such as anti-interference, has realized the sequential control of device and operation continuously.Magnetic valve adopts U.S. ASCO product, and trouble free operation is greater than 1,000 ten thousand times continuously.Equipment has fault alarm, shutdown, interlocked control function.
5, housing 8
The housing 8 of Nitrogen plant adopts 316L material, and the instrument pilot piping of housing 8, alarming line outlet opening are all with brass nickel plating stuffing box, are with 20% stuffing box standby.Run signal is provided, stops feedback signal, public alarm signal, the high low value of temperature is reported to the police, fail close break signal, and control the hardwires such as emergency mobile forces stop signal in accepting, PLC controller is reserved with communication interface, adopts Modbus-485 communications protocol.
6, paint and antirust processing:
Film separation and nitrogen-making sled adopts special-purpose ocean antifouling paint for boats and ships and platform, has the features such as anticorrosive, acid and alkali-resistance, difficult drop-off, strong adhesion.Brush rust-inhibiting paint twice after 9 rust cleaning such as grade of sledge base, then brush antisepsis finishing paint three road.
7, label:
Equipment label is the etching of 316L stainless steel, band bilingual.
8, cable and crane span structure:
Sled inner cable adopts low-smoke halogen-free flame retardant tape armored cable peculiar to vessel; Cable is all walked crane span structure, and control and power crane span structure are separately.Cable adopts the stainless steel cable testing bridge of cover plate to lay.
9, instrument valve is installed:
Instrument pneumatic pipeline adopts SS316; Related pressure transmitter, differential pressure transmitter, tensimeter degree of protection IP56.The segregaion valve that material is 316 is installed before instrument in sled; Before membrane module 7, install ball valve additional and use film group for grouping or selectivity.Electric heater 12 arranges safety valve and relevant cutting ball valve, and the annexes such as wash water valve, temperature control instrument are installed.
The structure of Nitrogen plant prying body and description:
10, sledge base 9:
Sledge base 9 is selected shaped steel welding production; Sledge base 9 is joined ground terminal; Sledge base 9 processing: rust cleaning is sprayed paint, the anticorrosion standard spraying in ocean; Whole sledge is furnished with suspension centre 13, sewage draining exit.
11, sled interior conduit, valve and flange:
Membrane module 7 connects employing stainless steel tube and pipe fitting, and airline 11 adopts carbon steel pipings, meets GB8163 standard.Carbon steel piping sandblast polishing, outer wall spray paint (the anticorrosion standard spraying in ocean).The interior ball valve of sledge etc. selects pressure rating to meet the requirements, cast steel valve body, stainless steel spool.Provide and the fastening piece such as all pairing ASME flanges of the outer junction of sledge, bolt, pad, nut.Flange seal cushion material is stainless steel.Between airline 11 and support, use the isolated material that material is PTFE.
The utility model is not limited to above-mentioned embodiment; no matter do any variation in its shape or material formation; every employing structure design provided by the utility model, is all a kind of distortion of the present utility model, all should think within the utility model protection domain.
Claims (3)
1. a sledge piece formula membrane separation nitrogen making machine, by air Compressor unit, compressed air purifying filtration unit, membrane separation unit and control instruments valve system four parts, formed, it is characterized in that: the initial filtrator (3) in described compressed air purifying filtration unit, fine filter (4), heatless regeneration drying machine (5), superfinishing strainer (6), the housing (8) in the membrane module in membrane separation unit (7) and control instruments valve system is all fixed on sledge base (9); Air is sucked into air by air compressor machine (1) and fills with (2), air is filled with (2) pressurized air is inputed to compressed air inlet (10), and by airline (11), passes through successively initial filtrator (3), fine filter (4), heatless regeneration drying machine (5) and superfinishing strainer (6) and enter membrane module (7); Described sledge base (9) adopts shaped steel welding production, and sledge base (9) is furnished with ground terminal, is furnished with suspension centre (13) on whole sledge piece; Described membrane module is provided with hollow-fibre membrane in (7), membrane module (7) is divided into high pressure inner side and low pressure outside, the place, high pressure inner side of described membrane module (7) is provided with passing nitrogen outlet (73), and the low pressure outside of described membrane module (7) is provided with film waste air gas port (71) and water port (72).
2. sledge piece formula membrane separation nitrogen making machine according to claim 1, it is characterized in that: in the airline (11) of described membrane module (7) air inlet, be provided with electric heater (12), this electric heater is provided with temperature sensor in (12), and the temperature in membrane module (7) is 30～45 ℃.
3. sledge piece formula membrane separation nitrogen making machine according to claim 1, is characterized in that: between described compressed air inlet (10), initial filtrator (3), fine filter (4), heatless regeneration drying machine (5), superfinishing strainer (6), membrane module (7), connect the carbon steel piping of airline used (11) for adopting sandblast polishing and outer wall to spray paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340641.7U CN203976403U (en) | 2014-06-24 | 2014-06-24 | Sledge piece formula membrane separation nitrogen making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340641.7U CN203976403U (en) | 2014-06-24 | 2014-06-24 | Sledge piece formula membrane separation nitrogen making machine |
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| Publication Number | Publication Date |
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| CN203976403U true CN203976403U (en) | 2014-12-03 |
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| CN201420340641.7U Active CN203976403U (en) | 2014-06-24 | 2014-06-24 | Sledge piece formula membrane separation nitrogen making machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040495A (en) * | 2016-07-15 | 2016-10-26 | 苏州伟世柏环保科技有限公司 | Nitrogen generation system for paint spraying |
| CN106238258A (en) * | 2016-08-31 | 2016-12-21 | 苏州伟世柏环保科技有限公司 | Filter for the nitrogen gas generation system that sprays paint |
| CN107000933A (en) * | 2014-11-18 | 2017-08-01 | 流动科技株式会社 | The nitrogen supply (NS) system and method for storage tank |
-
2014
- 2014-06-24 CN CN201420340641.7U patent/CN203976403U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107000933A (en) * | 2014-11-18 | 2017-08-01 | 流动科技株式会社 | The nitrogen supply (NS) system and method for storage tank |
| CN106040495A (en) * | 2016-07-15 | 2016-10-26 | 苏州伟世柏环保科技有限公司 | Nitrogen generation system for paint spraying |
| CN106238258A (en) * | 2016-08-31 | 2016-12-21 | 苏州伟世柏环保科技有限公司 | Filter for the nitrogen gas generation system that sprays paint |
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